*{
    margin: 0;
    padding: 0;
}
html,body{
    height:100%;
    background-color:pink;
}
body{
    background:url(../images/login_bg.jpg) no-repeat center;
    background-size:cover;
}
.layui-main{
    background:url(../images/logo.png) no-repeat left top;
    height:100%;
    position: relative;
}
.formBox{
    position: absolute;
    left:50%;
    top:50%;
    transform: translate(-50%,-50%);
    width: 400px;
    height:310px;
    background:url(../images/login_title.png) center 20px no-repeat;
    background-color: #fff;
}

.layui-form{
    margin-top:60px;
    padding:0 30px;
}

.form-item-link{
    text-align: right;
}

.layui-form-item{
    position: relative;
}
.layui-form-item i{
    position: absolute;
    left:10px;
    top:10px;
}
.layui-form-item .layui-input{
    padding-left:30px;
}